:root{
  --bg:#f4f5f7; --card:#ffffff; --ink:#1f2733; --sub:#5b6675; --line:#e3e6eb;
  --accent:#2f5bd4; --accent-soft:#eaf0fd;
  --warn:#d98a00; --danger:#d63b3b; --ok:#2e9e5b;
  --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);
  --radius:12px;
  font-synthesis-weight:none;
}
*{box-sizing:border-box}
html,body{margin:0}
body{
  background:var(--bg); color:var(--ink);
  font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic UI","Meiryo",system-ui,sans-serif;
  font-size:14px; line-height:1.7; -webkit-font-smoothing:antialiased;
}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px 64px}
a{color:var(--accent)}

/* header */
.site-head{background:linear-gradient(180deg,#20325c,#2a3f6e);color:#fff;padding:22px 0 26px;margin-bottom:24px;border-bottom:3px solid var(--accent)}
.site-head .wrap{padding-bottom:0}
.brand{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.brand h1{font-size:19px;margin:0;font-weight:700;letter-spacing:.02em}
.brand .badge{background:#fbbf24;color:#3a2c00;font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;letter-spacing:.04em}
.brand .nav{margin-left:auto;display:flex;gap:8px}
.brand .nav a{color:#dbe4fb;text-decoration:none;font-size:13px;padding:6px 12px;border-radius:8px;border:1px solid rgba(255,255,255,.22)}
.brand .nav a.on{background:#fff;color:#20325c;border-color:#fff;font-weight:700}
.meta-line{margin-top:12px;color:#c7d2ef;font-size:12.5px;display:flex;gap:18px;flex-wrap:wrap}
.meta-line b{color:#fff;font-weight:600}

/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.section{margin-top:22px}
.section > h2{font-size:15px;margin:0 0 12px;display:flex;align-items:center;gap:8px}
.section > h2 .n{width:22px;height:22px;border-radius:6px;background:var(--accent);color:#fff;font-size:12px;display:grid;place-items:center;font-weight:700}
.section .hint{color:var(--sub);font-size:12.5px;margin:-4px 0 12px}

/* summary cards */
.cards{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.stat{padding:14px 14px 12px}
.stat .k{color:var(--sub);font-size:12px;font-weight:600}
.stat .v{font-size:24px;font-weight:800;margin-top:4px;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stat .v small{font-size:13px;font-weight:700;color:var(--sub);margin-left:2px}
.stat .s{font-size:11.5px;color:var(--sub);margin-top:2px}
.stat.alert .v{color:var(--danger)}
.stat.alert{border-color:#f3c9c9;background:#fdf4f4}

/* controls */
.controls{display:flex;gap:18px;flex-wrap:wrap;align-items:center;padding:12px 14px}
.ctrl{display:flex;align-items:center;gap:6px}
.ctrl .lab{font-size:12px;color:var(--sub);font-weight:600;margin-right:2px}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{border:0;background:#fff;padding:6px 12px;font-size:12.5px;cursor:pointer;color:var(--sub);font-family:inherit}
.seg button + button{border-left:1px solid var(--line)}
.seg button.on{background:var(--accent);color:#fff;font-weight:700}
.chk{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--sub);cursor:pointer;user-select:none}
.chk input{accent-color:var(--accent)}

/* chart box */
.chart-box{padding:14px 16px 16px}
.chart-area{position:relative;height:320px}
.chart-area.short{height:240px}
.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--sub);margin-top:10px}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:12px;height:3px;border-radius:2px;display:inline-block}
.legend i.dot{width:9px;height:9px;border-radius:50%}

/* heatmap */
.heat{overflow-x:auto;padding:14px 16px 6px}
.heat table{border-collapse:collapse;font-size:10.5px;color:var(--sub)}
.heat th{font-weight:600;padding:2px 4px;text-align:center;white-space:nowrap}
.heat td.lab{text-align:right;padding-right:8px;white-space:nowrap;font-variant-numeric:tabular-nums}
.heat td.cell{width:22px;height:20px;text-align:center;border:1px solid #fff;color:#33240a;font-variant-numeric:tabular-nums}
.heat .scale{display:flex;gap:0;margin:10px 0 4px;font-size:11px;align-items:center}
.heat .scale i{width:34px;height:12px;display:inline-block}
.heat .scale b{font-weight:600;color:var(--sub);margin:0 8px}

/* table */
.table-wrap{padding:6px 0 0}
.filters{display:flex;gap:12px;flex-wrap:wrap;padding:12px 14px;align-items:center}
table.grid{width:100%;border-collapse:collapse;font-size:12.5px}
table.grid th,table.grid td{padding:8px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
table.grid th{background:#fafbfc;color:var(--sub);font-weight:600;cursor:pointer;position:sticky;top:0}
table.grid th.sorted::after{content:" ▾";color:var(--accent)}
table.grid th.sorted.asc::after{content:" ▴"}
table.grid td.num{text-align:right;font-variant-numeric:tabular-nums}
table.grid tr.night td:first-child{box-shadow:inset 3px 0 0 #6b7fc7}
.pill{display:inline-block;padding:1px 8px;border-radius:999px;font-size:11px;font-weight:700}
.pill.ashi{background:#fde9e9;color:#b12b2b}
.pill.hiki{background:#e9eefb;color:#2f5bd4}
.pill.n{background:#eef1f6;color:#5b6675;font-weight:600}
.over{color:var(--danger);font-weight:800}
.scroll-y{max-height:440px;overflow:auto}
.tbl-foot{padding:10px 14px;color:var(--sub);font-size:12px}

/* disclaimer */
.note{background:#fffdf5;border:1px solid #efe4c2;border-radius:var(--radius);padding:14px 16px;font-size:12.5px;color:#6b5d33;margin-top:22px}
.note b{color:#7a6a2f}
.note ul{margin:8px 0 0;padding-left:18px}

.foot{margin-top:26px;color:var(--sub);font-size:11.5px;text-align:center}

/* report page */
.report-toolbar{position:sticky;top:0;z-index:5;background:#20325c;color:#fff;padding:10px 0}
.report-toolbar .wrap{padding-bottom:0;display:flex;align-items:center;gap:14px}
.report-toolbar b{font-weight:600}
.report-toolbar .sp{margin-left:auto}
.btn{border:0;border-radius:8px;padding:8px 16px;font-size:13px;font-weight:700;cursor:pointer;font-family:inherit}
.btn.primary{background:#fbbf24;color:#3a2c00}
.btn.ghost{background:transparent;color:#dbe4fb;border:1px solid rgba(255,255,255,.3)}
.sheet{background:#fff;max-width:820px;margin:24px auto;padding:52px 56px;box-shadow:0 4px 20px rgba(16,24,40,.14);border:1px solid var(--line)}
.sheet h1{font-size:20px;text-align:center;margin:0 0 4px}
.sheet .doc-sub{text-align:center;color:var(--sub);font-size:12px;margin-bottom:26px}
.sheet h2{font-size:14px;border-left:4px solid var(--accent);padding-left:10px;margin:26px 0 10px}
.sheet table.kv{width:100%;border-collapse:collapse;font-size:12.5px;margin-bottom:6px}
.sheet table.kv th{width:150px;text-align:left;background:#f6f7f9;border:1px solid var(--line);padding:7px 10px;font-weight:600;color:var(--sub);vertical-align:top}
.sheet table.kv td{border:1px solid var(--line);padding:7px 10px}
.sheet table.data{width:100%;border-collapse:collapse;font-size:12px}
.sheet table.data th,.sheet table.data td{border:1px solid var(--line);padding:6px 8px;text-align:center}
.sheet table.data th{background:#f6f7f9;color:var(--sub);font-weight:600}
.sheet table.data td.l{text-align:left}
.sheet table.data td.num{text-align:right;font-variant-numeric:tabular-nums}
.sheet .fill{color:#b06a00;background:#fff7e8;border:1px dashed #e0b877;border-radius:6px;padding:10px 12px;font-size:12px;margin:8px 0}
.sheet .chart-area{height:280px}
.sheet .disc{font-size:11px;color:var(--sub);border-top:1px solid var(--line);margin-top:30px;padding-top:12px}
.pagebreak{page-break-before:always}

@media print{
  body{background:#fff}
  .report-toolbar,.site-head .nav{display:none}
  .sheet{box-shadow:none;border:0;margin:0;padding:0;max-width:none}
  .pagebreak{page-break-before:always}
}

@media (max-width:900px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .brand .nav{margin-left:0;width:100%}
  .sheet{padding:28px 20px}
}